12880539 has 20 divisors (see below), whose sum is σ = 21991024. Its totient is φ = 7359984.

The previous prime is 12880523. The next prime is 12880559. The reversal of 12880539 is 93508821.

It is not a de Polignac number, because 12880539 - 2⁴ = 12880523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12880559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10792 + ... + 11925.

Almost surely, 2^12880539 is an apocalyptic number.

12880539 is a deficient number, since it is larger than the sum of its proper divisors (9110485).

12880539 is an equidigital number, since it uses as much as digits as its factorization.

12880539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22736 (or 22727 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 12880539 is about 3588.9467814388. The cubic root of 12880539 is about 234.4110133460.

The spelling of 12880539 in words is "twelve million, eight hundred eighty thousand, five hundred thirty-nine".